package fun.codedesign.jdk.math;

public class WarpClassDemo {
    public static void main(String[] args) {
        Integer i = new Integer(1);

        int j = i.intValue();
        System.out.println(j);

        i = 5;
        j = i;
        System.out.println(Integer.parseInt("123") + 100);
        // System.out.println(Integer.parseInt("123a"+100));
    }
}
